Question

A cookie recipe calls for 2 eggs and 3 cups of flour. Nisha plans to increase the recipe

and use 6 eggs. Let x represent the number of cups of flour. Which proportion could be
used to calculate the number of cups of flour she needs?
A.
2+4
X +4
B.
2 4
3 х
WIN WIN
C.
3.2
3x
D.
2 6
3 x

Answer 1

First, I would find the unit rate for   people 240 5

people who bike 48 1 . Next, I would

find the number of people who like to bicycle in a group of 360 people and

assume that only people that like to bicycle would own a mountain bike:

5 360 = = 72

1

x

x , . Finally, I would write the ratio 7 mountain bikes = 18 bicyclists= bicyclists 72

x

and

solve for x to see that there should be 28 mountain bikes.

Explanation:

Answer 2

Explanation:

2+4

X +4

B.

2 4

3 х

WIN WIN

C.

3.2

3x

D.

2 6

3 x